223243031 has 16 divisors (see below), whose sum is σ = 258435360. Its totient is φ = 190586880.

The previous prime is 223243021. The next prime is 223243043. The reversal of 223243031 is 130342322.

It is not a de Polignac number, because 223243031 - 2⁶ = 223242967 is a prime.

It is a super-3 number, since 3×223243031³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 223242994 and 223243012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223243021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106865 + ... + 108933.

It is an arithmetic number, because the mean of its divisors is an integer number (16152210).

Almost surely, 2^223243031 is an apocalyptic number.

223243031 is a deficient number, since it is larger than the sum of its proper divisors (35192329).

223243031 is a wasteful number, since it uses less digits than its factorization.

223243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 223243031 is about 14941.3195869709. The cubic root of 223243031 is about 606.6329140676.

Adding to 223243031 its reverse (130342322), we get a palindrome (353585353).

The spelling of 223243031 in words is "two hundred twenty-three million, two hundred forty-three thousand, thirty-one".